Company lists · Data verified August 2026

Top 9 Accounting outsourcing firms based in Birmingham, United Kingdom

Name: Accounting outsourcing firms based in Birmingham, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 38 companies tracked

There are 38 accounting outsourcing firms headquartered in Birmingham, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 177 professional contacts across them, including 26 with verified work emails and 1 with mobile numbers. London is the largest hub.

This list covers accounting outsourcing firms headquartered in Birmingham, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

38Companies

177Contacts tracked

26Verified emails

1Mobile numbers

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The 9 largest accounting outsourcing firms based in Birmingham, United Kingdom

Ranked by team size

Top 9 of 38 accounting outsourcing firms based in Birmingham, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	The Ibos	Birmingham	11-50	43	4
2	Agile Accountants	Birmingham	1-10	9	4
3	Fraser Russell	Birmingham	11-50	8	6
4	Evolve Outsource	Birmingham	11-50	4	2
5	Flint & Thompson Limited	Birmingham	11-50	4	1
6	Taxassist Accountants Birmingham South West	Birmingham	1-10	3	3
7	Feltons Chartered Accountants Birmingham	Birmingham	11-50	3	1
8	NTR Bookkeeping Services Limited	Birmingham	1-10	1	1
9	MKS Accounting & Bookkeeping Services	Birmingham	1-10	1	1

Showing 9 of 38 accounting outsourcing firms based in Birmingham, United Kingdom

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Accounting outsourcing firms based in Birmingham, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 535 HQs

1Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Accounting outsourcing firms by metro in the United Kingdom

Metro	Companies
Accounting outsourcing firms in London	535
Accounting outsourcing firms in Manchester	60
Accounting outsourcing firms in Birmingham	38
Accounting outsourcing firms in Bristol	34
Accounting outsourcing firms in Nottingham	25
Accounting outsourcing firms in Milton Keynes	23
Accounting outsourcing firms in Glasgow	22

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting outsourcing firms”, with match quality audited by blind human judging, and headquartered in Birmingham, United Kingdom.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting outsourcing firms are there based in Birmingham, United Kingdom?

There are 38 accounting outsourcing firms headquartered in Birmingham, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

The Ibos, headquartered in Birmingham, tops this list with the largest team on record.

Which city has the most accounting outsourcing firms?

London leads with 535 headquartered companies, followed by Manchester (60) and Birmingham (38).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 26 verified decision-maker contacts tracked across these 38 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.